We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Keep getting We noticed you may have signed in or signed out in another window. Click OK to reload your page. everytime I start firefox

  • 3 replies
  • 83 have this problem
  • 6 views
  • Last reply by Farmie

more options

Every time I open Firefox I get the following message. We noticed you may have signed in or signed out in another window. Click OK to reload your page. Is this normal?

Every time I open Firefox I get the following message. We noticed you may have signed in or signed out in another window. Click OK to reload your page. Is this normal?

All Replies (3)

more options

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"
more options

Firefox cautions against going to the lengthy trouble of using Safe Mode. Instead, it recommends resetting the browser to its original default settings. On 06/10/2012 the recommendation worked correctly for me. I have opened Firefox a few times and not endured a repetition of the message, "We noticed you may have signed in or signed out in another window. Click OK to reload your page." It takes a matter of seconds:

Click Help Click Troubleshooting Information Click Reset Firefox Click Reset Firefox

more options

It's the new version 13 that causes this. There may be settings that can fix it, but I didn't find them. Download version 12 and the messages stop. Of course, then you get messages telling you that your version is outdated.